单项选择题

The receptionist at the hotel regretted to tell me that the rooms had been all booked.()

A.宾馆接待员很后悔告诉我房间已经全订满了。
B.宾馆接待员很遗憾地告诉我我需要的那些房间已经全订了。
C.宾馆接待员很遗憾地告诉我房间已经全订满了。
D.宾馆接待员很遗憾地告诉我房间早就已经全订满了。